| 1. | Lobsters boiled alive : do ptake some ptarmigan
请吃点雷鸟241 。
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| 2. | But he could not stop , for the mother ptarmigan was running on
但是他不能停下来，那只母雷鸡还在朝前跑。
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| 3. | A black fox came toward him , carrying a ptarmigan in his mouth
又有一只黑毛狐狸朝他走来，嘴里衔着一只雷鸡。
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| 4. | It was a fearful cry , but the fox , leaping away in fright , did not drop the ptarmigan
喊声虽然可怕，却没有令受到惊吓的狐狸慌不择路时丢下雷鸡。
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| 5. | It was no uncommon thing now for him to stumble and fall ; and stumbling once , he fell squarely into a ptarmigan nest
现在跌倒对他来说是家常便饭，一次他被绊了一下，正好倒进一个雷鸡窝里。
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| 6. | The polar bear , the ptarmigan and inuit culture are probably already doomed by the amount of pollution in the atmosphere , a leading scientist said yesterday
日前，世界一位顶尖科学家指出，由于气候暖化的趋势，北极熊可能面临绝境。
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| 7. | These are the signs of the coming arctic winter : the color of the tundra changes as the water grasses turn brilliant red . the migratory birds gather in flocks along the coast and gradually drift southward . most of the birds that have spent the brief summer on the tundra now disappear , leaving only the golden eagle , the gyrfalcon , the ptarmigan , and the snowy owl to brave the sunless northern winter
这些都是北极地区冬季即将来临的征候：随着水草变成艳红色，北极苔原的颜色也改变了候鸟沿着海岸成群聚集，并逐渐南移在苔原度过短暂夏天的大部分鸟类现已消失，只剩下金鹰白隼松鸡和雪白色的猫头鹰来迎接这没有太阳的北极之冬。
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